C28000 Muntz Metal Sheet from Mexico
C28000 Muntz metal (60% Cu, 40% Zn), 2.8 mm thick sheet, 200 mm width for marine propellers. Classic brass alloy; HTS 7409.19.90.00 for refined copper sheet <5 mm thick, <500 mm wide.
Duty Rate — Mexico → United States
53%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• High zinc content typical; still brass per zinc predominance
• Propeller stock may need Lloyd's certification
• Alpha-beta structure mention irrelevant for tariff